What is the primary purpose of significant figures in scientific measurements?

Understanding Significant Figures and Precision

Interactive Video
•
Mathematics, Physics, Chemistry, Science, Education
•
9th - 12th Grade
•
Hard

Amelia Wright
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To make calculations easier
To simplify data
To convert units
To indicate the precision of measurements
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When measuring with a tool, what does the estimated digit represent?
The average of previous measurements
An approximation between known marks
A random guess
The exact value
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is true about captured zeros?
They are significant when between non-zero digits
They are always insignificant
They are only significant at the end of a number
They are significant only if followed by a decimal
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of a trailing zero in a number with a decimal point?
It is significant only if it precedes a non-zero digit
It is significant only if it is the last digit
It is always insignificant
It is significant if it follows a non-zero digit
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you determine the number of significant figures in a number like 0.0070?
Count all digits
Count only non-zero digits
Count non-zero digits and zeros between them
Count non-zero digits and trailing zeros after a decimal
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How should you handle significant figures when multiplying two numbers?
Use the number with the least significant figures
Add the significant figures of both numbers
Ignore significant figures
Use the number with the most significant figures
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In addition and subtraction, how do you determine the number of decimal places in the result?
By the number with the most decimal places
By the number with the least decimal places
By the total number of digits
By averaging the decimal places
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